1. The main icon in unity-panel doesn't change when I receive an email.
  2. There is no pop up.

System setting:

  • Thunderbird is open.
  • Sound notification works.
  • Messaging Menu and Unity Launcher integration 1.3.1" in list of extensions.
  • Thunderbird 38.5.1
  • Ubuntu 14.04
  • My account is on Gmail.

enter image description here

Update1: I tried to install Web apps application with these instructions

sudo add-apt-repository ppa:webapps/preview
sudo apt-get update
sudo apt-get install unity-webapps-preview

It doesnt work.Now the number of unread emails even doesnt show up in the icon below the screen.

Update: I tried to install popper as an alternative but it doesnt support after Ubuntu 12.04

  • I update the question
    – Woeitg
    Jan 29, 2016 at 12:03
  • Can someone suggest an alternative to program to fix the problem?
    – Woeitg
    Jan 29, 2016 at 17:43
  • why negative vote? at least comment about your reason. What is the problem with this question ?
    – Woeitg
    Jan 29, 2016 at 18:18
  • tell the output of : cat /usr/lib/x86_64-linux-gnu/indicator-messages/indicator-messages-service Jan 29, 2016 at 18:52
  • 1
    It's shown up since 38.2, evidently.... bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1491249 Jan 29, 2016 at 19:20

1 Answer 1


You can get Popper work again on Ubuntu 14.04 with the following actions (see bug 1683516 ):

sudo apt-get install libindicate-gtk3 libindicate5 python-indicate python-support

cd ~/Downloads
wget http://ppa.launchpad.net/ralf.hersel/rhersel-ppa/ubuntu/pool/main/p/popper/popper_0.31.3-0ubuntu1_all.deb
sudo dpkg -i popper_0.31.3-0ubuntu1_all.deb 

wget http://archive.ubuntu.com/ubuntu/pool/main/i/indicator-messages/libindicator-messages-status-provider1_0.6.0-0ubuntu2_`dpkg --print-architecture`.deb
sudo dpkg -i libindicator-messages-status-provider1_0.6.0-0ubuntu2_`dpkg --print-architecture`.deb

wget http://archive.ubuntu.com/ubuntu/pool/main/i/indicator-messages/indicator-messages_0.6.0-0ubuntu2_`dpkg --print-architecture`.deb
sudo dpkg -i indicator-messages_0.6.0-0ubuntu2_`dpkg --print-architecture`.deb

wget http://archive.ubuntu.com/ubuntu/pool/universe/i/indicator-messages/indicator-messages-gtk2_0.6.0-0ubuntu2_i386.deb
sudo dpkg -i indicator-messages-gtk2_0.6.0-0ubuntu2_`dpkg --print-architecture`.deb

Then for MATE - mate-tweak -> Panel (Interface) -> Enable indicators.

Then Applications -> Internet -> Popper - set account settings.

cat <<EOF | sudo tee /etc/apt/preferences.d/pin-indicators
[ /etc/apt/preferences.d/pin-indicators ]
Package: indicator-messages
Pin: version 0.6.0-0ubuntu2
Pin-Priority: 1337

Package: indicator-messages-gtk2
Pin: version 0.6.0-0ubuntu2
Pin-Priority: 1337

Package: libindicator-messages-status-provider1
Pin: version 0.6.0-0ubuntu2
Pin-Priority: 1337

Package: popper
Pin: version 0.31.3-0ubuntu1 
Pin-Priority: 1337


For Ubuntu 16.04 you can use my solution posted here on AskUbuntu.

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